6WHO/WPRO. Immunization Safety Surveillance: Guidelines for Managers of Immunization Programmes on Reporting and Investigating Adverse Events Following Immunization [ M]. Manila: WHO/WPRO. 1999.5-7.
7WHO/Immunization Vaccines and Biologicals(IVB). Joint Medical Products Assessment Tools of National Regulatory System Vaccines Assessment[S]. Geneva, Switzerland, 2004.
8WHO&WPRO. Immunization safety surveillance:guidelines for managers of immunization programmes on reporting and investigating adverse events following immunization[S]. Manila, Philiodines. 1999.
